APA (7th ed.) Citation

Columbis & Wolfe. (1990). Introduction to international relations: Power and justice (4th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Columbis and Wolfe. Introduction to International Relations: Power and Justice. 4th ed. New Jersey: Prentice Hall, 1990.

MLA (8th ed.) Citation

Columbis and Wolfe. Introduction to International Relations: Power and Justice. 4th ed. Prentice Hall, 1990.